App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 833 · 40 questions

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

1. 1.💾 pop() takes off the last item. What does this code show?
   let friends = ["Riya", "Zoya", "Aman", "Meera"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Zoya (b) Riya (c) Meera (d) Aman
2. 2.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) no UI at all (c) good UI but poor UX (d) good UX but poor UI
3. 3.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ title text ]
   [ top bar ]
   [ list of items ]
   [ big picture ]
   [ filter buttons ]
   [ search box ] (a) title text (b) big picture (c) list of items (d) search box
4. 4.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
5. 5.True or false: space between buttons is good button design. (a) True (b) False
6. 6.Which of these is about UI (the look)? (a) whether users get lost (b) how many taps it takes (c) the icon shapes (d) how users feel after
7. 7.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see the final score (c) see if it is right (d) read a question
8. 8.True or false: a final design uses the final pictures. (a) False (b) True
9. 9.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
10. 10.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) make a password (b) tap “Sign up”
11. 11.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 64 px tall
    Start button: 60 px tall
    Next button: 64 px tall
    Save button: 48 px tall
12. 12.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
13. 13.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
14. 14.🔢 In a photo-post flow, which comes first: “write a caption” or “open the camera screen”? (a) write a caption (b) open the camera screen
15. 15.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Results → Cart
    Design B: Home → Address → Menu → Search → Item → Confirm
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
18. 18.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Start button is 28 px tall. How many px taller must it be?
20. 20.🔢 In a sign-up flow, which comes first: “enter the code sent” or “make a password”? (a) make a password (b) enter the code sent
21. 21.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) tap “Sign up” (c) type name and email (d) enter the code sent
22. 22.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) sudden loud sounds
23. 23.🔍 Which is the odd one out? (a) the screen layout (b) how many taps it takes (c) the font size (d) the button colours
24. 24.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) to skip testing (d) so each step is clear
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Home tab
    4. open “Friend list”
    Which screen are you on now? (a) Home (b) Friend list (c) Search (d) Profile
26. 26.🎨 UX stands for user ___. (a) example (b) express (c) experience (d) extra
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now? (a) Friend list (b) Search (c) Home (d) Badges
28. 28.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) read a question (c) see the final score (d) tap “Start quiz”
29. 29.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) whether users get lost (d) the theme colours
30. 30.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
31. 31.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
32. 32.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) open the menu (c) pick a dish (d) add it to the cart
33. 33.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see if it is right”? (a) see if it is right (b) pick an answer
34. 34.True or false: the screen layout is about UX (the experience). (a) True (b) False
35. 35.🎨 UI stands for user ___. (a) idea (b) input (c) internet (d) interface
36. 36.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: how many taps it takes is about UX (the experience). (a) True (b) False
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Feed tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now? (a) Score card (b) Feed (c) Map (d) Chat
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ search box ]
    [ tab bar ]
    [ Save button ]
    [ filter buttons ]
    [ Add button ]
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Pens → Cart → Address → Pay
    Design B: Home → Item → Pay → Pens → Offers → Menu → Shop

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students